CVE-2020-8315 : In Python (CPython) 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1

In Python (CPython) 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1, an insecure dependency load upon launch on Windows 7 may result in an attacker's copy of api-ms-win-core-path-l1-1-0.dll being loaded and used instead of the system's copy. Windows 8 and later are unaffected.

Published 2020-01-28 19:15:18

Updated 2021-07-21 11:39:24

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2020-8315

Python » Python
Versions from including (>=) 3.7.0 and up to, including, (<=) 3.7.6
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
Matching versions
Python » Python
Versions from including (>=) 3.6.0 and up to, including, (<=) 3.6.10
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
Matching versions
Python » Python
Versions from including (>=) 3.8.0 and up to, including, (<=) 3.8.1
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2020-8315

Top countries where our scanners detected CVE-2020-8315

Top open port discovered on systems with this issue 80

IPs affected by CVE-2020-8315 159,379

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2020-8315!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2020-8315

EPSS FAQ

0.29%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 52 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-8315

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:P/A:N	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N	1.8	3.6	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: None Integrity: High Availability: None

CWE ids for CVE-2020-8315

CWE-427 Uncontrolled Search Path Element

The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-8315

https://bugs.python.org/issue39401

Issue 39401: [CVE-2020-8315] Unsafe dll loading in getpathp.c on Win7 - Python tracker
Issue Tracking;Patch;Vendor Advisory